Read these sentences and change them into general questions. don’t forget about question marks. 1. it was raining the whole evening. 2. they were swimming in the pool at 10 am yesterday. 3. she was printing documents all day.

1.How long it was raining?или How long it has been raining
2.When they were swimming?или How long have they been swimming?
3.How long has she been printing documents?